:root{--primary-color: #FF5722;--secondary-color: #1A2B33;--accent-color: #C7E5F0;--light-bg: #F5F5F5;--text-dark: #1A2B33;--text-medium: #455A64;--text-light: #FFFFFF;--shadow: 0 4px 12px rgba(26, 43, 51, .15);--container-width: 1200px}html{box-sizing:border-box;font-size:16px;scrollbar-width:none;-ms-overflow-style:none}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none;width:0}.scrollable-content{overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}.scrollable-content::-webkit-scrollbar{display:none;width:0}*,*:before,*:after{box-sizing:inherit}body{margin:0;font-family:Roboto,Arial,sans-serif;background-color:var(--light-bg);color:var(--text-medium);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 1.5rem}.App{min-height:96vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem 1rem;text-align:center}h1{font-size:2.5rem;color:var(--secondary-color);margin-bottom:1.25rem;font-weight:600;letter-spacing:-.5px;line-height:1.2}h2{font-size:1.8rem;color:var(--primary-color);margin-bottom:1rem;font-weight:500;line-height:1.3}p{font-size:1.1rem;color:var(--text-medium);margin-bottom:1.375rem;line-height:1.7}section{width:100%;max-width:800px;margin:2rem 0;padding:1.75rem;background-color:var(--text-light);border-radius:12px;box-shadow:var(--shadow);border-top:4px solid var(--primary-color)}ul{list-style:none;padding:0;display:flex;justify-content:center;flex-wrap:wrap;gap:1.25rem;margin:1.5rem 0}li{margin:0}.download-btn{display:inline-block;padding:.75rem 1.5rem;font-size:1.1rem;color:var(--text-light);background-color:var(--primary-color);text-decoration:none;border-radius:6px;transition:all .3s ease;font-weight:500;box-shadow:0 2px 6px #ff57224d}.download-btn:hover{background-color:#e64a19;transform:translateY(-2px);box-shadow:0 4px 8px #ff572266}.download-btn:active{transform:translateY(0);background-color:#d84315}.boot-form{background-color:var(--text-light);padding:1.875rem;border-radius:12px;box-shadow:var(--shadow);width:100%;max-width:450px;border-top:4px solid var(--primary-color)}.boot-form h1{font-size:1.625rem;margin-bottom:1.5rem;text-align:center;color:var(--secondary-color)}.input-file{width:100%;padding:.75rem;margin-bottom:1.125rem;border:1px solid #E0E0E0;border-radius:6px;font-size:.9375rem;transition:border-color .3s}.input-file:focus{border-color:var(--primary-color);outline:none}.select{width:100%;padding:.75rem;margin-bottom:1.125rem;border:1px solid #E0E0E0;border-radius:6px;font-size:.9375rem;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:url("data:image/svg+xml;utf8,<svg fill='%231A2B33' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>") no-repeat;background-position:right 10px top 50%;background-size:20px}.button-group{margin-bottom:1.125rem}.button{width:100%;padding:.875rem;border:none;border-radius:6px;color:var(--text-light);font-size:1rem;cursor:pointer;font-weight:500;transition:all .3s ease}.create-btn{background-color:var(--primary-color);box-shadow:0 2px 6px #ff57224d}.create-btn:hover{background-color:#e64a19;transform:translateY(-2px);box-shadow:0 4px 8px #ff572266}.restore-btn{background-color:var(--secondary-color);margin-top:.75rem;box-shadow:0 2px 6px #1a2b334d}.restore-btn:hover{background-color:#263238;transform:translateY(-2px);box-shadow:0 4px 8px #1a2b3366}.progress-bar{width:100%;background-color:#eceff1;border-radius:8px;height:10px;margin-bottom:.9375rem;overflow:hidden}.progress{height:100%;background-color:var(--primary-color);border-radius:8px;transition:width .4s ease}.status{font-size:.9375rem;color:var(--text-medium);text-align:center}.link{color:var(--primary-color);text-decoration:underline;font-weight:500;transition:color .3s}.link:hover{color:#e64a19;text-decoration:none}@media (max-width: 1200px){.container{max-width:960px}}@media (max-width: 992px){html{font-size:15px}.container{max-width:720px}}@media (max-width: 768px){html{font-size:14px}section{max-width:90%;padding:1.5rem}.container{max-width:540px}}@media (max-width: 576px){html{font-size:13px}.App{padding:1.5rem 1rem}h1{font-size:2rem}h2{font-size:1.5rem}section{margin:1rem 0;max-width:100%}ul{flex-direction:column;gap:1rem}.boot-form{padding:1.5rem}.download-btn,.button{width:100%;padding:.875rem;box-sizing:border-box;min-height:44px;display:flex;align-items:center;justify-content:center}}@media (max-width: 375px){html{font-size:12px}.App{padding:1rem .75rem}section{padding:1rem}.boot-form{padding:1.25rem 1rem}}